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The MIM Method
Material
While research continues for widening the scope of materials available for MIM, the following materials are offered today:
low alloy steel and stainlless steel, soft magnetic materials, controlled thermal expansion and sealing, ultra high strength alloy steel.
It is important to match the properties of these materials with the engineering needs of the customer, in order to choose the most suitable material.
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Main Categories in MIM
Stainless Steel:
AISI 316L (DIN 1.4436.1.4404), AISI 304L (DIN 1.4306)
AISI 420 (DIN 1.4021), AISI 440C (DIN 1.4125)
AISI 430L (DIN 1.4016), AISI 17-4PH (DIN 1.4542,1.4548)
Ultra High strenght Low Alloy Steel:
AISI 4340 (DIN 1.6565)
AISI 4140 (DIN 1.7225)
AISI H13 (DIN 1.2344)
Low Alloy Steel:
7% Ni-Fe
2% Ni-Fe
AISI 8620 (DIN 1.6543, 1.6523, 1.6526)
Soft Magnetic Materials:
2% Ni-Fe, 40% Ni-Fe, 50% Ni-Fe (DIN 1.3927),
80% Ni-Fe, 3% Si-Fe, 7% Si-Fe, Iron, 2V Permendur,
AISI 430L (DIN 1.4016)
Controlled Expansion & Sealing Materials:
36% Ni-Fe (Invar)
42% Ni-Fe
ASTM F 15 (Kovar)
Other Materials:
Copper
Brass
Titanium
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